Physics
Scientific paper
Dec 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007agufm.p52b..01b&link_type=abstract
American Geophysical Union, Fall Meeting 2007, abstract #P52B-01
Physics
2740 Magnetospheric Configuration And Dynamics, 2744 Magnetotail, 2756 Planetary Magnetospheres (5443, 5737, 6033), 5443 Magnetospheres (2756), 6275 Saturn
Scientific paper
Several recent studies have revealed a periodicity in either charged particles or magnetic fields comparable to the rotation rate of Saturn (~10.8 h), with various local time and longitudinal dependences. We analyze Cassini particle and field data together to show that the periodicity is associated with the traversal (by the Cassini spacecraft) of a region of enhanced plasma pressure, decreased magnetic field strength, and a localized region of more dipolar magnetic field orientation, a plasma and field configuration that could result from a locally intensified current sheet or disk. We test several hypotheses concerning possible origins of this configuration, including association with a particular longitude or local time range, and dynamical behavior of the magnetospheric current sheet.
Andre Nicolas
Burch James. L.
Coates Andrew J.
Dougherty Michele
Goldstein Jeffrey Jay
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